393529045 has 64 divisors (see below), whose sum is σ = 624960000. Its totient is φ = 235726848.

The previous prime is 393529033. The next prime is 393529049. The reversal of 393529045 is 540925393.

It is not a de Polignac number, because 393529045 - 2⁵ = 393529013 is a prime.

It is a super-2 number, since 2×393529045² = 309730218517224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 393528989 and 393529007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393529049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 423141 + ... + 424069.

It is an arithmetic number, because the mean of its divisors is an integer number (9765000).

Almost surely, 2^393529045 is an apocalyptic number.

393529045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

393529045 is a deficient number, since it is larger than the sum of its proper divisors (231430955).

393529045 is a wasteful number, since it uses less digits than its factorization.

393529045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 393529045 is about 19837.5665090252. The cubic root of 393529045 is about 732.8114793927.

The spelling of 393529045 in words is "three hundred ninety-three million, five hundred twenty-nine thousand, forty-five".